Marshal.NumParamBytes(MethodInfo) Method

Reference

Definition

Namespace:: System.Runtime.InteropServices

Assembly:: mscorlib.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Calculates the number of bytes in unmanaged memory that are required to hold the parameters for the specified method.

public:
 static int NumParamBytes(System::Reflection::MethodInfo ^ m);

public static int NumParamBytes (System.Reflection.MethodInfo m);

[System.Security.SecurityCritical]
public static int NumParamBytes (System.Reflection.MethodInfo m);

static member NumParamBytes : System.Reflection.MethodInfo -> int

[<System.Security.SecurityCritical>]
static member NumParamBytes : System.Reflection.MethodInfo -> int

Public Shared Function NumParamBytes (m As MethodInfo) As Integer

Parameters

m: MethodInfo

The method to be checked.

Returns

Int32

The number of bytes required to represent the method parameters in unmanaged memory.

Attributes: SecurityCriticalAttribute

Exceptions

ArgumentNullException

The m parameter is null.

ArgumentException

The m parameter is not a MethodInfo object.

Remarks

The NumParamBytes method returns the stack size (in bytes) needed to represent the parameters of a method signature in unmanaged memory.

Note that the return value of this method is platform-dependent. For example, a signature with a single integer parameter returns a value of 4 on 32-bit platforms and a value of 8 on 64-bit platforms.

Applies to